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llvm-mirror/test/DebugInfo/2010-03-19-DbgDeclare.ll
Duncan P. N. Exon Smith 87c77233df DI: Disallow uniquable DICompileUnits
Since r241097, `DIBuilder` has only created distinct `DICompileUnit`s.
The backend is liable to start relying on that (if it hasn't already),
so make uniquable `DICompileUnit`s illegal and automatically upgrade old
bitcode.  This is a nice cleanup, since we can remove an unnecessary
`DenseSet` (and the associated uniquing info) from `LLVMContextImpl`.

Almost all the testcases were updated with this script:

    git grep -e '= !DICompileUnit' -l -- test |
    grep -v test/Bitcode |
    xargs sed -i '' -e 's,= !DICompileUnit,= distinct !DICompileUnit,'

I imagine something similar should work for out-of-tree testcases.

llvm-svn: 243885
2015-08-03 17:26:41 +00:00

21 lines
862 B
LLVM

; RUN: opt < %s -verify -S | FileCheck %s
; CHECK: DW_LANG_Mips_Assembler
define void @Foo(i32 %a, i32 %b) {
entry:
call void @llvm.dbg.declare(metadata i32* null, metadata !1, metadata !DIExpression()), !dbg !DILocation(scope: !6)
ret void
}
!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!5}
!2 = distinct !DICompileUnit(language: DW_LANG_Mips_Assembler, producer: "clang version 3.3 ", isOptimized: false, emissionKind: 1, file: !4, enums: !3, retainedTypes: !3, subprograms: !3, globals: !3, imports: !3)
!3 = !{}
!0 = !DILocation(line: 662302, column: 26, scope: !1)
!1 = !DILocalVariable(name: "foo", scope: !6)
!4 = !DIFile(filename: "scratch.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch")
!6 = !DISubprogram()
declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
!5 = !{i32 1, !"Debug Info Version", i32 3}